1. 1. Have you ever been in a greenhouse before
1. Have you ever been in a greenhouse before? What did you notice inside?

2. The Greenhouse Effect

3. What is the greenhouse effect?
Read pg. 456, including figure 3.
Then turn to pg Read this page also, including figure 6 at the bottom.
Close your book when you have finished reading both pages. Think about the question at the top.

4. What causes the greenhouse effect?
It is caused by gases in the atmosphere that trap thermal energy (heat). The gases absorb thermal energy and radiate it back to Earth.

5. Which gases cause the greenhouse effect?
Water vapor
Carbon dioxide
Methane
Nitrous oxide
Now for some BrainPOP…
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“The Greenhouse Effect”
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6. Global Warming

7. Proof of global warming

8. REAL arguments for global warming
Read pg. 457 and pg (you’ve already read pg. 540 focusing on greenhouse effect).
Now write a definition of global warming.

9. REAL arguments for global warming
Web site – write it down as source #2 and then record ideas from the site in the appropriate box on your worksheet.
BrainPOP – source #3 – watch and record any helpful ideas for either box.
BrainPOP global warming

10. REAL arguments for global warming
Using the other articles provided, collect ideas for both opinions about global warming. Read the directions on your worksheet to help you.